Age | Reliability | Validity | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chronic Health Condition | Healthy Sample | |||||||||||
n | α | Mean | SD | % Floor | % Ceiling | Mean | SD | % Floor | % Ceiling | Chronic vs. Healthy Difference | Chronic vs. Healthy Effect Size | |
5 yrs | 749 | 0.68 | 74.13 | 19.31 | 0.6 | 15.5 | 83.39 | 16.82 | 0.0 | 34.8 | 9.26* | 0.55 |
6 yrs | 925 | 0.68 | 75.87 | 20.29 | 0.0 | 22.2 | 81.06 | 17.73 | 0.1 | 29.8 | 5.19* | 0.29 |
7 yrs | 885 | 0.71 | 69.58 | 22.10 | 1.6 | 13.4 | 80.25 | 18.02 | 0.0 | 27.7 | 10.67* | 0.59 |
8 yrs | 876 | 0.74 | 78.72 | 18.65 | 0.4 | 19.4 | 85.00 | 16.58 | 0.0 | 34.1 | 6.28* | 0.38 |
9 yrs | 837 | 0.79 | 77.21 | 20.73 | 0.0 | 20.1 | 84.16 | 18.54 | 0.2 | 36.0 | 6.96* | 0.38 |
10 yrs | 837 | 0.77 | 80.08 | 20.36 | 0.4 | 26.1 | 85.47 | 16.84 | 0.0 | 35.4 | 5.39* | 0.32 |
11 yrs | 680 | 0.80 | 80.47 | 19.65 | 0.0 | 25.4 | 88.53 | 14.99 | 0.0 | 43.6 | 8.06* | 0.54 |
12 yrs | 679 | 0.78 | 81.78 | 19.75 | 0.0 | 27.9 | 87.27 | 15.47 | 0.0 | 37.3 | 5.48* | 0.35 |
13 yrs | 612 | 0.81 | 81.32 | 18.25 | 0.0 | 25.9 | 86.84 | 16.47 | 0.0 | 40.8 | 5.52* | 0.34 |
14 yrs | 571 | 0.83 | 78.88 | 21.53 | 0.8 | 25.9 | 89.82 | 14.65 | 0.0 | 49.2 | 10.94* | 0.75 |
15 yrs | 562 | 0.81 | 82.99 | 17.59 | 0.0 | 30.0 | 89.06 | 14.49 | 0.0 | 45.7 | 6.07* | 0.42 |
16 yrs | 331 | 0.77 | 83.37 | 17.69 | 0.0 | 27.0 | 90.29 | 12.63 | 0.0 | 46.8 | 6.92* | 0.55 |